Back in 2017 we had tested on a 'non-openshift' cluster. With mock servers for FCM / APNs. we used system property config to connect them.

For testing in Openshift, these mocks need to be containers. Massimiliano Ziccardi helped with the installation for the APNs and FCM mock (e.g. the TLS config) on the server. I think we is good in turning them to containers (I think we need a new JIRA for that, Peter Braun